/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { IndentationText, Project, ProjectOptions, QuoteKind, TypeChecker } from 'ts-morph';
import { Logger } from '../logger/Logger';

export class TsMorphUtil {
  public static project: Project | null = null;
  private constructor() { }
  public static getProject(options?: ProjectOptions): Project {
    if (!this.project) {
      Logger.info('创建ts-morph项目');
      this.project = new Project(
        options || {
          manipulationSettings: {
            indentationText: IndentationText.TwoSpaces,
            quoteKind: QuoteKind.Single
          },
          compilerOptions: {
            allowNonTsExtensions: true
          }
        }
      );
    }
    return this.project;
  }

  public static getTypeChecker(): TypeChecker {
    return this.getProject().getTypeChecker();
  }

  public static clearProject(): void {
    const sourceFiles = TsMorphUtil.getProject().getSourceFiles();
    Logger.info(`Clearing ${sourceFiles.length} source files...`);
    if (sourceFiles && sourceFiles.length > 0) {
      sourceFiles.forEach((sourceFile) => {
        TsMorphUtil.getProject().removeSourceFile(sourceFile);
      });
    }
    TsMorphUtil.project = null;
  }
}
